How Clean Is Lake Capri?
Lake Capri is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 16.3 ft. Phosphorus: 5.7 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Trophic State Index: 32.
Cleanliness Snapshot
| Metric | Lake Capri | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 16.3 ft | — |
| Phosphorus | 5.7 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 0.9 µg/L | <10 = clean |
| Trophic State Index | 32 | <50 = clean |
How does Lake Capri compare?
Lake Capri's grade of A matches or beats the Wisconsin state average of C. It ranks #1 of 4 lakes in St. Francois County by water quality score.